// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/public/common/content_client.h"

#include "base/logging.h"
#include "base/strings/string_piece.h"
#include "build/build_config.h"
#include "content/public/common/origin_util.h"
#include "content/public/common/user_agent.h"
#include "ui/gfx/image/image.h"

namespace content {

static ContentClient* g_client;

class InternalTestInitializer {
public:
    static ContentBrowserClient* SetBrowser(ContentBrowserClient* b)
    {
        ContentBrowserClient* rv = g_client->browser_;
        g_client->browser_ = b;
        return rv;
    }

    static ContentRendererClient* SetRenderer(ContentRendererClient* r)
    {
        ContentRendererClient* rv = g_client->renderer_;
        g_client->renderer_ = r;
        return rv;
    }

    static ContentUtilityClient* SetUtility(ContentUtilityClient* u)
    {
        ContentUtilityClient* rv = g_client->utility_;
        g_client->utility_ = u;
        return rv;
    }
};

void SetContentClient(ContentClient* client)
{
    g_client = client;

    // TODO(jam): find out which static on Windows is causing this to have to be
    // called on startup.
    if (client)
        client->GetUserAgent();
}

ContentClient* GetContentClient()
{
    return g_client;
}

ContentBrowserClient* SetBrowserClientForTesting(ContentBrowserClient* b)
{
    return InternalTestInitializer::SetBrowser(b);
}

ContentRendererClient* SetRendererClientForTesting(ContentRendererClient* r)
{
    return InternalTestInitializer::SetRenderer(r);
}

ContentUtilityClient* SetUtilityClientForTesting(ContentUtilityClient* u)
{
    return InternalTestInitializer::SetUtility(u);
}

ContentClient::Schemes::Schemes() = default;
ContentClient::Schemes::~Schemes() = default;

ContentClient::ContentClient()
    : browser_(NULL)
    , gpu_(NULL)
    , renderer_(NULL)
    , utility_(NULL)
{
}

ContentClient::~ContentClient()
{
}

bool ContentClient::CanSendWhileSwappedOut(const IPC::Message* message)
{
    return false;
}

std::string ContentClient::GetProduct() const
{
    return std::string();
}

std::string ContentClient::GetUserAgent() const
{
    return std::string();
}

base::string16 ContentClient::GetLocalizedString(int message_id) const
{
    return base::string16();
}

base::StringPiece ContentClient::GetDataResource(
    int resource_id,
    ui::ScaleFactor scale_factor) const
{
    return base::StringPiece();
}

base::RefCountedMemory* ContentClient::GetDataResourceBytes(
    int resource_id) const
{
    return nullptr;
}

gfx::Image& ContentClient::GetNativeImageNamed(int resource_id) const
{
    CR_DEFINE_STATIC_LOCAL(gfx::Image, kEmptyImage, ());
    return kEmptyImage;
}

std::string ContentClient::GetProcessTypeNameInEnglish(int type)
{
    NOTIMPLEMENTED();
    return std::string();
}

#if defined(OS_MACOSX)
bool ContentClient::GetSandboxProfileForSandboxType(
    int sandbox_type,
    int* sandbox_profile_resource_id) const
{
    return false;
}
#endif

bool ContentClient::IsSupplementarySiteIsolationModeEnabled()
{
    return false;
}

OriginTrialPolicy* ContentClient::GetOriginTrialPolicy()
{
    return nullptr;
}

bool ContentClient::AllowScriptExtensionForServiceWorker(
    const GURL& script_url)
{
    return false;
}

#if defined(OS_ANDROID)
bool ContentClient::UsingSynchronousCompositing()
{
    return false;
}

media::MediaClientAndroid* ContentClient::GetMediaClientAndroid()
{
    return nullptr;
}
#endif // OS_ANDROID

} // namespace content
